98481-35-7

Basic information

• Product Name: [ReH(OCH₃)(CO)(NO)(P(C₆H₅)3)2]
• Synonyms: [ReH(OCH₃)(CO)(NO)(P(C₆H₅)3)2]
• CAS NO: 98481-35-7
• Molecular Weight: 800.847
• Mol File: 98481-35-7.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: [ReH(OCH₃)(CO)(NO)(P(C₆H₅)3)2](CAS DataBase Reference)
• NIST Chemistry Reference: [ReH(OCH₃)(CO)(NO)(P(C₆H₅)3)2](98481-35-7)
• EPA Substance Registry System: [ReH(OCH₃)(CO)(NO)(P(C₆H₅)3)2](98481-35-7)

Safety Data

• Hazardous Substances Data: 98481-35-7(Hazardous Substances Data)

Upstream product

• 98481-40-4 [ReH(CH₃OHOClO₃)(CO)(NO)(P(C₆H₅)3)2] 
• 58694-74-9 [ReH₂(nitrosyl)(triphenylphosphine)3] 
• 124-41-4 sodium methylate 

Relevant articles and documents

Nitrosyl complexes of rhenium. 2. Neutral and cationic monohydride complexes of rhenium(I) resulting from the reaction of ReH2(NO)(PPh3)3 with perchloric acid

The rhenium dihydride complex ReH2(NO)(PPh3)3 reacts with HClO4 in the presence of CO with the cleavage of only one hydride ligand. Careful control of the degree of acidity and the solvent system leads to isolation of compounds such as ReH(OR)-(CO)(NO)(PPh3)2 (R = Me, Et) and [ReH(CO)(NO)(PPh3)3]ClO4. The alkoxide complexes are protonated by HClO4 at the alkoxide oxygen to yield alcohol complexes ReH(ROH·OClO3)(CO)(NO)(PPh3)2, in which the perchlorate counterion is hydrogen bound to the coordinated alcohol. Heating ReH(MeOH·OClO3)(CO)(NO)(PPh3)2 in methanol results in the formal 1,2-elimination of dihydrogen with concomitant formation of Re(OMe)(OClO3)(CO)(NO)(PPh3)2. A similar elimination reaction occurs when the alcohol complexes are reacted with halide ions to give ReX(OR)(CO)(NO)(PPh3)2 (X = Cl, Br, I). Reacting the alcohol complexes with base or NaBH4, however, regenerates ReH(OR)(CO)(NO)(PPh3)2. The perchlorate complex, Re(OMe)-(OClO3)(CO)(NO)(PPh3)2, while reacting with halide ions merely with displacement of the perchlorate group, reacts with NaBH4 to give ReH2(CO)(NO)(PPh3)2 via a putative borohydride complex. The chloro-alkoxy complexes ReCl(OR)(CO)(NO)(PPh3)2 also react with HClO4 to give alcohol complexes, which are considerably more labile than their hydride analogues. All structural assignments have been made on the basis of elemental analysis, infrared spectroscopy, 1H NMR spectroscopy, and, where appropriate, deuteration studies.